Meaning of xīn kǔ:
辛苦
exhausting; hard; tough; arduous
Tā de gōngzuò fēicháng xīnkǔ.
他的工作非常辛苦。
His job is very exhausting.
Zhè fèn gōngzuò hěn xīnkǔ.
这份工作很辛苦。
This job is very hard.
Zhège gōngzuò hěn xīnkǔ.
这个工作很辛苦。
This job is very tough.
Xièxiè nǐmen de xīnkǔ gōngzuò.
谢谢你们的辛苦工作。
Thank you for your arduous work.
to work hard; to go to a lot of trouble
Māma wèi wǒmen xīnkǔ gōngzuò.
妈妈为我们辛苦工作。
Mom works hard for us.
Tā wèile zhǔnbèi zhè cì huìyì, zhēn de hěn xīnkǔ.
他为了准备这次会议,真的很辛苦。
He really went to a lot of trouble to prepare for this meeting.
hardship(s)
Gōngzuò hěn xīnkǔ, dàn wǒ xuédào le hěn duō.
工作很辛苦,但我学到了很多。
The work is hard, but I have learned a lot.